Maiko Inoue advanced when Saori Obata retired 5-1 in the Gifu 50K round of 32. Maiko Inoue claimed a first win over Saori Obata in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-16 | Noda 25K | R16 | hard | Saori Obata | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.